Heparin is much more than just an anticoagulant.
D000925:Anticoagulants / Q000009:adverse effects / Q000494:pharmacology*; D001777:Blood Coagulation / Q000187:drug effects*; D001792:Blood Platelets / Q000187:drug effects; D006493:Heparin / Q000009:adverse effects / Q000494:pharmacology*; D006801:Humans
D000925:Anticoagulants; D006493:Heparin